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-rw-r--r--include/linux/io_uring.h8
1 files changed, 6 insertions, 2 deletions
diff --git a/include/linux/io_uring.h b/include/linux/io_uring.h
index 4a2f6cc5a492..58676c0a398f 100644
--- a/include/linux/io_uring.h
+++ b/include/linux/io_uring.h
@@ -20,8 +20,12 @@ enum io_uring_cmd_flags {
struct io_uring_cmd {
struct file *file;
const void *cmd;
- /* callback to defer completions to task context */
- void (*task_work_cb)(struct io_uring_cmd *cmd);
+ union {
+ /* callback to defer completions to task context */
+ void (*task_work_cb)(struct io_uring_cmd *cmd);
+ /* used for polled completion */
+ void *cookie;
+ };
u32 cmd_op;
u32 pad;
u8 pdu[32]; /* available inline for free use */